George Scratchley Brown was a United States Air Force general who served as the eighth chairman of the Joint Chiefs of Staff. In this capacity, he served as the senior military adviser to the president of the United States, the National Security Council and the secretary of defense. Through the commanders of the unified and specified commands, he was also responsible for executing the decisions of the National Command Authorities regarding worldwide readiness and employment of combat forces of the United States Army, Navy, Air Force and Marine Corps.

The chairman of the Joint Chiefs of Staff (CJCS) is the presiding officer of the Joint Chiefs of Staff (JCS). The chairman is the highest-ranking and most senior military officer in the United States Armed Forces and the principal military advisor to the president, the National Security Council, the Homeland Security Council, and the secretary of defense. While the chairman of the Joint Chiefs of Staff outranks all other commissioned officers, the chairman is prohibited by law from having operational command authority over the armed forces; however, the chairman assists the president and the secretary of defense in exercising their command functions.